JPS546240B2 - - Google Patents

Info

Publication number
JPS546240B2
JPS546240B2 JP14267273A JP14267273A JPS546240B2 JP S546240 B2 JPS546240 B2 JP S546240B2 JP 14267273 A JP14267273 A JP 14267273A JP 14267273 A JP14267273 A JP 14267273A JP S546240 B2 JPS546240 B2 JP S546240B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP14267273A
Other languages
Japanese (ja)
Other versions
JPS5093190A (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14267273A priority Critical patent/JPS546240B2/ja
Priority to US05/532,600 priority patent/US3970863A/en
Priority to FR7441322A priority patent/FR2254749B1/fr
Priority to CH1674174A priority patent/CH591044A5/xx
Publication of JPS5093190A publication Critical patent/JPS5093190A/ja
Publication of JPS546240B2 publication Critical patent/JPS546240B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
JP14267273A 1973-12-18 1973-12-18 Expired JPS546240B2 (enrdf_load_stackoverflow)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP14267273A JPS546240B2 (enrdf_load_stackoverflow) 1973-12-18 1973-12-18
US05/532,600 US3970863A (en) 1973-12-18 1974-12-13 Element and method for detecting leakage of petroleum products
FR7441322A FR2254749B1 (enrdf_load_stackoverflow) 1973-12-18 1974-12-16
CH1674174A CH591044A5 (enrdf_load_stackoverflow) 1973-12-18 1974-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14267273A JPS546240B2 (enrdf_load_stackoverflow) 1973-12-18 1973-12-18

Publications (2)

Publication Number Publication Date
JPS5093190A JPS5093190A (enrdf_load_stackoverflow) 1975-07-25
JPS546240B2 true JPS546240B2 (enrdf_load_stackoverflow) 1979-03-26

Family

ID=15320806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14267273A Expired JPS546240B2 (enrdf_load_stackoverflow) 1973-12-18 1973-12-18

Country Status (4)

Country Link
US (1) US3970863A (enrdf_load_stackoverflow)
JP (1) JPS546240B2 (enrdf_load_stackoverflow)
CH (1) CH591044A5 (enrdf_load_stackoverflow)
FR (1) FR2254749B1 (enrdf_load_stackoverflow)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947256B2 (ja) * 1977-05-25 1984-11-17 株式会社潤工社 流体検知素子
JPS5429694A (en) * 1977-08-09 1979-03-05 Nitto Electric Ind Co Oil detecting probe
JPS5429695A (en) * 1977-08-09 1979-03-05 Nitto Electric Ind Co Oil detecting element and production thereof
FR2455294A1 (fr) * 1979-04-27 1980-11-21 Inst Francais Du Petrole Elements sensibles a certains produits organiques polluants, notamment les hydrocarbures
US4487057A (en) * 1980-09-16 1984-12-11 Raychem Corporation Continuous sense and locate device
US4545927A (en) * 1982-07-29 1985-10-08 Phillips Petroleum Company Conductive (hard) rubber compositions
US4642202A (en) * 1982-07-29 1987-02-10 Phillips Petroleum Company Conductive (hard) rubber compositions
US5382909A (en) * 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
US4638920A (en) * 1984-06-26 1987-01-27 Goodhues Jr George S Underground facility for storage of liquids
US4682156A (en) * 1984-11-02 1987-07-21 In-Situ, Inc. Solvent detector
AU601369B2 (en) * 1985-06-12 1990-09-13 Raychem Corporation Hydrocarbon sensor
US4926165A (en) * 1985-10-15 1990-05-15 Raychem Corporation Devices for detecting and obtaining information about an event
US4631952A (en) * 1985-08-30 1986-12-30 Chevron Research Company Resistive hydrocarbon leak detector
DE3724384C1 (de) * 1987-07-23 1988-04-14 Daimler Benz Ag Warnvorrichtung fuer die Bremsfluessigkeit von hydraulischen Bremsanlagen von Fahrzeugen
US4922232A (en) * 1988-10-21 1990-05-01 Bosich Joseph F Leakage containment and detection systems
US5173684A (en) * 1989-09-08 1992-12-22 Mitsubishi Cable Industries, Ltd. Low molecular weight organic liquid sensor and detection system using same
US5187366A (en) * 1991-06-25 1993-02-16 Joram Hopenfeld Sensors for detecting leaks
US5200615A (en) * 1991-06-25 1993-04-06 Joram Hopenfeld Method and apparatus for detecting the presence of fluids
FR2704062B1 (fr) * 1993-04-13 1995-05-24 Inst Francais Du Petrole Dispositif destiné à détecter des traces de produits polluants dans un milieu aqueux.
US5514338A (en) * 1994-11-29 1996-05-07 One Plus Corp. Device for sensing liquid hydrocarbon
US5571401A (en) * 1995-03-27 1996-11-05 California Institute Of Technology Sensor arrays for detecting analytes in fluids
US5788833A (en) 1995-03-27 1998-08-04 California Institute Of Technology Sensors for detecting analytes in fluids
US6170318B1 (en) 1995-03-27 2001-01-09 California Institute Of Technology Methods of use for sensor based fluid detection devices
FR3013119B1 (fr) * 2013-11-08 2017-06-23 Ttk Element detecteur gonflant, cable de detection modulaire et systeme de detection pour detecter des fuites de liquide non-conducteur
GB2582011A (en) 2019-03-08 2020-09-09 Valbetech Inc Sensors for detecting presence of fluids
CN115342986A (zh) * 2021-05-12 2022-11-15 长沙稷下咨询有限公司 渗油感知方法及感应膜

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386412A (en) * 1942-04-28 1945-10-09 Selas Corp Of America Liquid detecting means
US2432367A (en) * 1943-09-23 1947-12-09 Wingfoot Corp Leak detector
BE513364A (enrdf_load_stackoverflow) * 1951-12-29
US3470340A (en) * 1965-09-13 1969-09-30 Butts Ernest Otto Leak detection apparatus
US3564526A (en) * 1966-12-23 1971-02-16 Butts Ernest Otto Pipeline leak detection device
US3427414A (en) * 1967-01-13 1969-02-11 Sinclair Research Inc Switch assembly for detecting underground leaks
US3720797A (en) * 1971-09-10 1973-03-13 K Gunn Gas fusing sensing device

Also Published As

Publication number Publication date
US3970863A (en) 1976-07-20
FR2254749A1 (enrdf_load_stackoverflow) 1975-07-11
FR2254749B1 (enrdf_load_stackoverflow) 1976-10-22
CH591044A5 (enrdf_load_stackoverflow) 1977-08-31
JPS5093190A (enrdf_load_stackoverflow) 1975-07-25

Similar Documents

Publication Publication Date Title
AU476761B2 (enrdf_load_stackoverflow)
FR2254749B1 (enrdf_load_stackoverflow)
AU476714B2 (enrdf_load_stackoverflow)
AU477823B2 (enrdf_load_stackoverflow)
AU476873B1 (enrdf_load_stackoverflow)
AR193950A1 (enrdf_load_stackoverflow)
AU477824B2 (enrdf_load_stackoverflow)
CH565264A5 (enrdf_load_stackoverflow)
CH563295A5 (enrdf_load_stackoverflow)
AU479458A (enrdf_load_stackoverflow)
AU479453A (enrdf_load_stackoverflow)
AU479422A (enrdf_load_stackoverflow)
AU479420A (enrdf_load_stackoverflow)
AU479419A (enrdf_load_stackoverflow)
AU479405A (enrdf_load_stackoverflow)
CH568497B5 (enrdf_load_stackoverflow)
CH568446A5 (enrdf_load_stackoverflow)
AU479404A (enrdf_load_stackoverflow)
CH566775A5 (enrdf_load_stackoverflow)
CH566019A5 (enrdf_load_stackoverflow)
CH565566A5 (enrdf_load_stackoverflow)
AU479504A (enrdf_load_stackoverflow)
CH564161A5 (enrdf_load_stackoverflow)
CH563838A5 (enrdf_load_stackoverflow)
CH563552A5 (enrdf_load_stackoverflow)